consulting firm; and susan shirk, who was deputy assistant secretary of state for china policy in the clinton administration. she's now a professor of china and pacific relations at the university of california. >> welcome. repeat some of the words that bide said that china's actions, quotes, has raised regional tex tensions and increased the risk of accidents and miscalculations. how serious is this? >> it is pretty serious, unfortunately. if you had to choose two countries that you would not want a crisis to occur between their two militaries it would probably be china and japan, japan is not, has not fired a shot in anger in over 70 years. china has, i think, still an unknown relationship between the party and the military in times of crisis, what we have is higher operational tempos of fishing vessels and other vessels and airplanes around these uninhabited rocks, really in the middle of nowhere in the pacific, with both countries determined not to back down. i think the situation is relatively fraught, and this new air defense zone that china has just demarcated really captured and, capt